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ID

VAR-202012-0525


CVE

CVE-2020-25234


TITLE

LOGO! 8 BM  Vulnerability in using hard-coded encryption keys in

Trust: 0.8

sources: JVNDB: JVNDB-2020-014386

DESCRIPTION

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3), LOGO! Soft Comfort (All versions < V8.3). The LOGO! program files generated and used by the affected components offer the possibility to save user-defined functions (UDF) in a password protected way. This protection is implemented in the software that displays the information. An attacker could reverse engineer the UDFs directly from stored program files. LOGO! 8 BM (SIPLUS variants Including ) There is a vulnerability in the use of hard-coded encryption keys.Information may be obtained and information may be tampered with. Siemens LOGO! 8 BM is a programming software for the Windows platform in an industrial environment from Siemens in Germany. Attackers can use this vulnerability to gain complete access to all services without authorization

Trust: 2.16

sources: NVD: CVE-2020-25234 // JVNDB: JVNDB-2020-014386 // CNVD: CNVD-2020-70923

IOT TAXONOMY

category:['ICS']sub_category: -

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sources: CNVD: CNVD-2020-70923

AFFECTED PRODUCTS

vendor:siemensmodel:logo\! 8 bmscope:ltversion:8.3

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vendor:シーメンスmodel:logo! 8 bmscope:eqversion: -

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vendor:シーメンスmodel:logo! 8 bmscope:eqversion:logo! 8 bm firmware 8.3

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vendor:siemensmodel:logo! bmscope:eqversion:8<v8.3

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vendor:siemensmodel:logo! soft comfortscope:ltversion:v8.3

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sources: CNVD: CNVD-2020-70923 // JVNDB: JVNDB-2020-014386 // NVD: CVE-2020-25234

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-25234
value: HIGH

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NVD: CVE-2020-25234
value: HIGH

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CNVD: CNVD-2020-70923
value: MEDIUM

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CNNVD: CNNVD-202012-696
value: HIGH

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nvd@nist.gov: CVE-2020-25234
severity: LOW
baseScore: 3.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2020-70923
severity: MEDIUM
baseScore: 6.6
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 9.2
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2020-25234
baseSeverity: HIGH
baseScore: 7.7
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 2.5
impactScore: 5.2
version: 3.1

Trust: 1.0

NVD: CVE-2020-25234
baseSeverity: HIGH
baseScore: 7.7
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2020-70923 // JVNDB: JVNDB-2020-014386 // CNNVD: CNNVD-202012-696 // NVD: CVE-2020-25234

PROBLEMTYPE DATA

problemtype:CWE-321

Trust: 1.0

problemtype:Use of hard-coded encryption key (CWE-321) [ Other ]

Trust: 0.8

sources: JVNDB: JVNDB-2020-014386 // NVD: CVE-2020-25234

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202012-696

TYPE

authorization issue

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sources: CNNVD: CNNVD-202012-696

PATCH

title:SSA-480824url:https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf

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title:Patch for Siemens LOGO! 8 BM authorization issue vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/241936

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title:Siemens LOGO! 8 BM Remediation measures for authorization problem vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=137249

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sources: CNVD: CNVD-2020-70923 // JVNDB: JVNDB-2020-014386 // CNNVD: CNNVD-202012-696

EXTERNAL IDS

db:NVDid:CVE-2020-25234

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db:SIEMENSid:SSA-480824

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db:JVNid:JVNVU90453244

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db:JVNDBid:JVNDB-2020-014386

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db:CNVDid:CNVD-2020-70923

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db:ICS CERTid:ICSA-20-343-10

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db:CNNVDid:CNNVD-202012-696

Trust: 0.6

sources: CNVD: CNVD-2020-70923 // JVNDB: JVNDB-2020-014386 // CNNVD: CNNVD-202012-696 // NVD: CVE-2020-25234

REFERENCES

url:https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf

Trust: 2.2

url:https://nvd.nist.gov/vuln/detail/cve-2020-25234

Trust: 1.4

url:https://jvn.jp/vu/jvnvu90453244/index.html

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url:https://us-cert.cisa.gov/ics/advisories/icsa-20-343-10

Trust: 0.6

sources: CNVD: CNVD-2020-70923 // JVNDB: JVNDB-2020-014386 // CNNVD: CNNVD-202012-696 // NVD: CVE-2020-25234

SOURCES

db:CNVDid:CNVD-2020-70923
db:JVNDBid:JVNDB-2020-014386
db:CNNVDid:CNNVD-202012-696
db:NVDid:CVE-2020-25234

LAST UPDATE DATE

2024-11-23T20:09:48.296000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2020-70923date:2020-12-12T00:00:00
db:JVNDBid:JVNDB-2020-014386date:2021-08-17T08:16:00
db:CNNVDid:CNNVD-202012-696date:2020-12-24T00:00:00
db:NVDid:CVE-2020-25234date:2024-11-21T05:17:43.450

SOURCES RELEASE DATE

db:CNVDid:CNVD-2020-70923date:2020-12-12T00:00:00
db:JVNDBid:JVNDB-2020-014386date:2021-08-17T00:00:00
db:CNNVDid:CNNVD-202012-696date:2020-12-08T00:00:00
db:NVDid:CVE-2020-25234date:2020-12-14T21:15:20.130